11520254201442 has 64 divisors (see below), whose sum is σ = 27483063035904. Its totient is φ = 3147683932800.

The previous prime is 11520254201441. The next prime is 11520254201503. The reversal of 11520254201442 is 24410245202511.

It is a super-2 number, since 2×11520254201442² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11520254201441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2959998 + ... + 5639334.

It is an arithmetic number, because the mean of its divisors is an integer number (429422859936).

Almost surely, 2^{11520254201442} is an apocalyptic number.

11520254201442 is an abundant number, since it is smaller than the sum of its proper divisors (15962808834462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11520254201442 is a wasteful number, since it uses less digits than its factorization.

11520254201442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683823.

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 11520254201442 its reverse (24410245202511), we get a palindrome (35930499403953).

The spelling of 11520254201442 in words is "eleven trillion, five hundred twenty billion, two hundred fifty-four million, two hundred one thousand, four hundred forty-two".